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veracodeVeracode Vulnerability DatabaseVERACODE:44236
HistoryNov 12, 2023 - 6:41 p.m.

HTTP Request Smuggling

2023-11-1218:41:49
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
12
http request smuggling
squid
vulnerability
lenient handling
chunked decoding
remote attacker
request/response smuggling
firewall
frontend security systems

9.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

7.2 High

AI Score

Confidence

Low

0.003 Low

EPSS

Percentile

71.5%

squid is vulnerable to HTTP Request Smuggling. The vulnerability is caused by lenient handling of chunked decoding, which could enable a remote attacker to conduct Request/Response smuggling beyond firewall and frontend security systems.

9.3 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

7.2 High

AI Score

Confidence

Low

0.003 Low

EPSS

Percentile

71.5%